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8308633: Increase precision of timestamps in g1 log

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Backport-of: c23794f882
This commit is contained in:
Daniel Hu
2025-06-27 17:52:27 +00:00
committed by Vitaly Provodin
parent c3f742441f
commit 424288cdef
4 changed files with 13 additions and 10 deletions
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2
src/hotspot/share/gc/g1/g1GCPhaseTimes.cpp
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@@ -374,7 +374,7 @@ void G1GCPhaseTimes::trace_phase(WorkerDataArray<double>* phase, bool print_sum,
}
}
#define TIME_FORMAT "%.1lfms"
#define TIME_FORMAT "%.2lfms"
void G1GCPhaseTimes::info_time(const char* name, double value) const {
log_info(gc, phases)(" %s: " TIME_FORMAT, name, value);

2
src/hotspot/share/gc/shared/weakProcessorTimes.cpp
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@@ -173,7 +173,7 @@ static const char* indent_str(size_t i) {
return indents[MIN2(i, max_indents_index)];
}
#define TIME_FORMAT "%.1lfms"
#define TIME_FORMAT "%.2lfms"
void WeakProcessorTimes::log_summary(OopStorageSet::WeakId id, uint indent) const {
LogTarget(Debug, gc, phases) lt;

9
src/hotspot/share/gc/shared/workerDataArray.cpp
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@@ -36,11 +36,14 @@ double WorkerDataArray<double>::uninitialized() {
return -1.0;
}
#define WDA_TIME_FORMAT "%4.2lf"
template <>
void WorkerDataArray<double>::WDAPrinter::summary(outputStream* out, double min, double avg, double max, double diff, double sum, bool print_sum) {
out->print(" Min: %4.1lf, Avg: %4.1lf, Max: %4.1lf, Diff: %4.1lf", min * MILLIUNITS, avg * MILLIUNITS, max * MILLIUNITS, diff* MILLIUNITS);
out->print(" Min: " WDA_TIME_FORMAT ", Avg: " WDA_TIME_FORMAT ", Max: " WDA_TIME_FORMAT ", Diff: " WDA_TIME_FORMAT,
min * MILLIUNITS, avg * MILLIUNITS, max * MILLIUNITS, diff* MILLIUNITS);
if (print_sum) {
out->print(", Sum: %4.1lf", sum * MILLIUNITS);
out->print(", Sum: " WDA_TIME_FORMAT, sum * MILLIUNITS);
}
}
@@ -58,7 +61,7 @@ void WorkerDataArray<double>::WDAPrinter::details(const WorkerDataArray<double>*
for (uint i = 0; i < phase->_length; ++i) {
double value = phase->get(i);
if (value != phase->uninitialized()) {
out->print(" %4.1lf", phase->get(i) * 1000.0);
out->print(" " WDA_TIME_FORMAT, phase->get(i) * 1000.0);
} else {
out->print(" -");
}

10
test/hotspot/gtest/gc/shared/test_workerDataArray.cpp
View File

@@ -102,9 +102,9 @@ const char* WorkerDataArrayTest<double>::format_summary(
double min, double avg, double max, double diff, double sum, size_t workers) {
stringStream out;
out.print(" Min: %4.1lf"
", Avg: %4.1lf, Max: %4.1lf"
", Diff: %4.1lf, Sum: %4.1lf"
out.print(" Min: %4.2lf"
", Avg: %4.2lf, Max: %4.2lf"
", Diff: %4.2lf, Sum: %4.2lf"
", Workers: " SIZE_FORMAT "\n",
min, avg, max, diff, sum, workers);
return out.as_string();
@@ -278,12 +278,12 @@ class UninitializedDoubleElementWorkerDataArrayTest : public WorkerDataArrayTest
private:
virtual const char* expected_summary() {
return format_summary(5.1, 6.1, 7.2, 2.1, 12.3, 2);
return format_summary(5.10, 6.15, 7.20, 2.10, 12.30, 2);
}
virtual const char* expected_details() {
stringStream out;
out.print(" %4.1lf - %4.1lf\n", 5.1, 7.2);
out.print(" %4.2lf - %4.2lf\n", 5.1, 7.2);
return out.as_string();
}
};